Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 156
HYDRAULIC POWER AND DEVICES. 145 532-533- TRI-AXIALROTARY PUMP.—A late French invention. Theupper cylinder receives thepower and rotates the lowerchambered cylinder?through three spur gears.The wings of the upper orpower cylinder are set fast and are the only rubbing surfaces. Thecylindrical…
Mechanical movements
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